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In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade dovecot | Aug 22, 2024 | Aug 29, 2019 |
| Amazon Linux Ami 2 | — | Upgrade dovecot-mysqlUpgrade dovecot-pgsqlUpgrade dovecot-develUpgrade dovecot-pigeonholeUpgrade dovecotUpgrade dovecot-debuginfo | Apr 27, 2020 | Aug 29, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Aug 29, 2019 |
| Centos_linux | — | Upgrade dovecot-pgsqlUpgrade dovecot-debuginfoUpgrade dovecot-pigeonholeUpgrade dovecot-debugsourceUpgrade dovecot-pgsql-debuginfoUpgrade dovecotUpgrade dovecot-mysql-debuginfoUpgrade dovecot-mysqlUpgrade dovecot-pigeonhole-debuginfoUpgrade dovecot-devel | Sep 23, 2019 | Aug 29, 2019 |
| Debian | — | Upgrade dovecot | Aug 30, 2019 | Aug 30, 2019 |
| Freebsd | — | Upgrade dovecotUpgrade dovecot-pigeonhole | Aug 29, 2019 | Aug 28, 2019 |
| Gentoo Linux | — | Upgrade net-mail/dovecot. | Sep 3, 2019 | Aug 29, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade dovecot-pgsqlUpgrade dovecot-mysqlUpgrade dovecotUpgrade dovecot-pigeonhole | Dec 4, 2019 | Aug 29, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade dovecotUpgrade dovecot-pgsqlUpgrade dovecot-pigeonholeUpgrade dovecot-mysql | Nov 19, 2019 | Aug 29, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade dovecot-mysqlUpgrade dovecot-pigeonholeUpgrade dovecot-pgsqlUpgrade dovecot | Nov 19, 2019 | Aug 29, 2019 |
| Huawei Euleros 2_0_sp8 | — | Upgrade dovecot-mysqlUpgrade dovecot-pigeonholeUpgrade dovecot | Sep 30, 2019 | Aug 29, 2019 |
| Oracle_linux | — | Upgrade dovecot-pigeonholeUpgrade dovecot-pgsqlUpgrade dovecot-develUpgrade dovecot-mysqlUpgrade dovecot | Sep 21, 2019 | Aug 28, 2019 |
| Redhat_linux | — | Upgrade dovecot-debuginfoUpgrade dovecot-pigeonhole-debuginfoUpgrade dovecot-pigeonholeNo solution existsUpgrade dovecotUpgrade dovecot-pgsql-debuginfoUpgrade dovecot-develUpgrade dovecot-mysql-debuginfoUpgrade dovecot-debugsourceUpgrade dovecot-pgsqlUpgrade dovecot-mysql | Sep 23, 2019 | Aug 29, 2019 |
| Suse | — | Upgrade dovecot22Upgrade dovecot23Upgrade dovecot22-develUpgrade dovecot23-backend-sqliteUpgrade dovecot23-fts-luceneUpgrade dovecot23-fts-squatUpgrade dovecot23-backend-pgsqlUpgrade dovecot23-backend-mysqlUpgrade dovecot23-develUpgrade dovecot22-backend-sqliteUpgrade dovecot23-ftsUpgrade dovecot23-fts-solrUpgrade dovecot22-backend-mysqlUpgrade dovecot22-backend-pgsql | Sep 25, 2019 | Aug 28, 2019 |
| Ubuntu | — | Upgrade dovecot-core (Ubuntu Pro)Upgrade dovecot-core | Aug 29, 2019 | Aug 28, 2019 |
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